Big data technology may improve the quality of environmental information disclosure and address the challenge of information asymmetry. This study adopts a difference-in-differences strategy to investigate the effectiveness of the big data-based environmental information disclosure system...

This study aimed to investigate the geometry distinction of the pores formed by brittle minerals in shale oil reservoir and dig out its significance in hydrocarbon migration and exploitation. 14050 pores related to brittle minerals in typical shale oil reservoir samples are selected as the...

This paper focuses on the task of detecting local episodes involving violation of the standard Itô semimartingale assumption for financial asset prices in real time that might induce arbitrage opportunities. Our proposed detectors, defined as stopping rules, are applied sequentially to...